Visible Measures, a video analytics and advertising platform, says it has secured $21.5 million in its most recent funding round--the latest big investment in the digital video space.

Among the video start-ups landing big funding rounds over the last year are Ooyala, which just got a $35 million investment, Taboola (which brought in $10 million), Brightroll ($30 million), Switchcam ($1.2 million funding), and YuMe ($22 million).

Visible Measures' current investment round brings total funding to more than $65 million, reports TechCrunch. Investors included publishing giant Advance Publications--owner of Conde Nast--as well as DAG Ventures and other venture capital firms.